This must be done in your head only.Do not use paper or pencil or calculator.
Take 1000 and add 40 to it.Now add another 1000.Now add 30.Add another 1000.Now add 20.Now add another 1000.Now add 10.What is the total?
Iam sure that most of them will get it wrong…. Check it in calculator.
4100
4100
i calculated it correctly….yipeeee…..
4100…i calculated it without calculator as i am in cyber cafe n i am sure that i am correct because i am good in maths